/**
 * @file include/di_fw/spi.h
 * @brief battery header file
 * @date April 20, 2016
 * @author A.A.W.M. Ruijs
 * @copyright 2016 Dual Inventive Technology Centre B.V.
 */
#ifndef INCLUDE_DI_FW_SPI_H_
#define INCLUDE_DI_FW_SPI_H_

#include <stdint.h>

#include <di_fw/os.h>

/**
 * SPI context
 */
struct di_fw_spi_ctx {
	SPIDriver *drv;
	/* blankline here for linter */
	const SPIConfig cfg;
};

/**
 * Initialize SPI
 */
void di_fw_spi_init(const struct di_fw_spi_ctx *ctx);

/**
 * Spi exchange function
 * @param ctx	SPI context pointer
 * @param tx	pointer to write buffer
 * @param rx	pointer to read buffer
 * @param bytes	amount of bytes that need to be written and read
 */
int di_fw_spi_exchange(const struct di_fw_spi_ctx *ctx, uint8_t *tx, uint8_t *rx, size_t bytes);

/**
 * SPI write/read function
 * @param ctx		SPI context pointer
 * @param tx		pointer to write buffer
 * @param tx_size	amount of bytes that need to be written
 * @param rx		pointer to read buffer
 * @param rx_size	amount of bytes that need to be read
 */
int di_fw_spi_writeread(const struct di_fw_spi_ctx *ctx, uint8_t *tx, size_t tx_size, uint8_t *rx, size_t rx_size);

/**
 * Spi write function
 * @param ctx	SPI context pointer
 * @param tx	pointer to write buffer
 * @param bytes	amount of bytes that need to be written
 */
int di_fw_spi_write(const struct di_fw_spi_ctx *ctx, uint8_t *tx, size_t size);

/**
 * Spi reads function
 * @param ctx	SPI context pointer
 * @param rx	pointer to read buffer
 * @param bytes	amount of bytes that need to be read
 */
int di_fw_spi_read(const struct di_fw_spi_ctx *ctx, uint8_t *rx, size_t size);

#endif /* INCLUDE_DI_FW_SPI_H_ */